Design of a 150-miniature detectors 3D core-mapping system for the CROCUS reactor

The present article provides an overview of the design of a three-dimensional (3D) full-core mapping system for the CROCUS reactor, operated at the École polytechnique fédérale de Lausanne (EPFL), Switzerland. The system is composed of 149 miniature neutron detectors distributed within the core doub...

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Autores principales:	Vitullo Fanny, Lamirand Vincent, Ambrožič Klemen, Braun Laurent, Godat Daniel, Frajtag Pavel, Pautz Andreas
Formato:	article
Lenguaje:	EN
Publicado:	EDP Sciences 2021
Materias:	reactor instrumentation 3d core-mapping miniature neutron detector in-core neutron detection crocus Physics QC1-999
Acceso en línea:	https://doaj.org/article/da0ac525096d4ec2acf163b77a134bfe
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id	oai:doaj.org-article:da0ac525096d4ec2acf163b77a134bfe
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spelling	oai:doaj.org-article:da0ac525096d4ec2acf163b77a134bfe2021-12-02T17:12:46ZDesign of a 150-miniature detectors 3D core-mapping system for the CROCUS reactor2100-014X10.1051/epjconf/202125304023https://doaj.org/article/da0ac525096d4ec2acf163b77a134bfe2021-01-01T00:00:00Zhttps://www.epj-conferences.org/articles/epjconf/pdf/2021/07/epjconf_animma2021_04023.pdfhttps://doaj.org/toc/2100-014XThe present article provides an overview of the design of a three-dimensional (3D) full-core mapping system for the CROCUS reactor, operated at the École polytechnique fédérale de Lausanne (EPFL), Switzerland. The system is composed of 149 miniature neutron detectors distributed within the core double lattice at three main axial levels. The miniature detector technology is based on the optimization of the well-proven coupling of a miniature ZnS:6LiF(Ag) scintillator to a state-of-the-art silicon photomultiplier (SiPM) via jacketed optical fibers. The challenges in the mechanical design, the detector optimization, the core criticality, and the development of the acquisition electronics are strongly interconnected and their combination is addressed in this article. The 3D full-core mapping system is foreseen to be installed in CROCUS in autumn 2021 and it will pave the way for the investigation of 3D dynamic phenomena in nuclear reactor cores.Vitullo FannyLamirand VincentAmbrožič KlemenBraun LaurentGodat DanielFrajtag PavelPautz AndreasEDP Sciencesarticlereactor instrumentation3d core-mappingminiature neutron detectorin-core neutron detectioncrocusPhysicsQC1-999ENEPJ Web of Conferences, Vol 253, p 04023 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	reactor instrumentation 3d core-mapping miniature neutron detector in-core neutron detection crocus Physics QC1-999
spellingShingle	reactor instrumentation 3d core-mapping miniature neutron detector in-core neutron detection crocus Physics QC1-999 Vitullo Fanny Lamirand Vincent Ambrožič Klemen Braun Laurent Godat Daniel Frajtag Pavel Pautz Andreas Design of a 150-miniature detectors 3D core-mapping system for the CROCUS reactor
description	The present article provides an overview of the design of a three-dimensional (3D) full-core mapping system for the CROCUS reactor, operated at the École polytechnique fédérale de Lausanne (EPFL), Switzerland. The system is composed of 149 miniature neutron detectors distributed within the core double lattice at three main axial levels. The miniature detector technology is based on the optimization of the well-proven coupling of a miniature ZnS:6LiF(Ag) scintillator to a state-of-the-art silicon photomultiplier (SiPM) via jacketed optical fibers. The challenges in the mechanical design, the detector optimization, the core criticality, and the development of the acquisition electronics are strongly interconnected and their combination is addressed in this article. The 3D full-core mapping system is foreseen to be installed in CROCUS in autumn 2021 and it will pave the way for the investigation of 3D dynamic phenomena in nuclear reactor cores.
format	article
author	Vitullo Fanny Lamirand Vincent Ambrožič Klemen Braun Laurent Godat Daniel Frajtag Pavel Pautz Andreas
author_facet	Vitullo Fanny Lamirand Vincent Ambrožič Klemen Braun Laurent Godat Daniel Frajtag Pavel Pautz Andreas
author_sort	Vitullo Fanny
title	Design of a 150-miniature detectors 3D core-mapping system for the CROCUS reactor
title_short	Design of a 150-miniature detectors 3D core-mapping system for the CROCUS reactor
title_full	Design of a 150-miniature detectors 3D core-mapping system for the CROCUS reactor
title_fullStr	Design of a 150-miniature detectors 3D core-mapping system for the CROCUS reactor
title_full_unstemmed	Design of a 150-miniature detectors 3D core-mapping system for the CROCUS reactor
title_sort	design of a 150-miniature detectors 3d core-mapping system for the crocus reactor
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/da0ac525096d4ec2acf163b77a134bfe
work_keys_str_mv	AT vitullofanny designofa150miniaturedetectors3dcoremappingsystemforthecrocusreactor AT lamirandvincent designofa150miniaturedetectors3dcoremappingsystemforthecrocusreactor AT ambrozicklemen designofa150miniaturedetectors3dcoremappingsystemforthecrocusreactor AT braunlaurent designofa150miniaturedetectors3dcoremappingsystemforthecrocusreactor AT godatdaniel designofa150miniaturedetectors3dcoremappingsystemforthecrocusreactor AT frajtagpavel designofa150miniaturedetectors3dcoremappingsystemforthecrocusreactor AT pautzandreas designofa150miniaturedetectors3dcoremappingsystemforthecrocusreactor
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Design of a 150-miniature detectors 3D core-mapping system for the CROCUS reactor

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